The added benefit of an extra supply of B vitamins. Studying, working, stress and even everyday life tasks demand a great deal of concentration and attention - and depend on a well-functioning nervous system. To cope with demanding days, recreational activities alternating with rest provide a good balance.In addition, a healthy diet rich in vitamins, dietary minerals and other cellular nutrients is very important. Micronutrients belonging to the B vitamins group are important dietary components. Due to their role in mental health and intellectual performance, B vitamins are often called "nerve vitamins".The reason for this is that B vitamins (e.g. vitamins B1, B3, B6 and B12) support the normal function of the nervous system and thereby contribute to a normal psychological function.B vitamins are also frequently mentioned in relation to feelings of tiredness and exhaustion, and rightly so: besides their versatile benefits to cellular metabolism, they are important cofactors in bioenergy production.